The Weekly Extreme 'Unsolveable' Sudoku Puzzle
#561, September 30 - October 6 2023
by Andrew Stuart
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
J
9
4
3
5
2
1
8
2
6
7
1
3
9
8
1
3
4
6
2
5